Kral, T. (1995). Creative classroom activities: Selected articles from the English teaching forum 1989-1993. English Language Programs Division, United States Information Agency.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kral, Thomas. Creative Classroom Activities: Selected Articles from the English Teaching Forum 1989-1993. Washington: English Language Programs Division, United States Information Agency, 1995.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Kral, Thomas. Creative Classroom Activities: Selected Articles from the English Teaching Forum 1989-1993. English Language Programs Division, United States Information Agency, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.